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Preamble:
Westone doesn’t need any further introduction – it is one of the major brands and international big players. Nonetheless, let me drop a few lines about the American company: founded in 1959 with the main market being listening protection and in-ear monitoring, they also designed and manufactured the E1 plus E5 for Shure and co-developed and manufactured Ultimate...” --HiFiChris

“I bought these as an upgrade from the W3, which while extremely fun, I soon became disappointed in, due to mid bass bleed into the midrange. This caused vocals to become too chesty and distortion rock guitar notes too rounded instead of hard edged. Enter the W4.
Fit and Isolation: Westone 4 is extremely comfortable. I love their size and weight. They only...” --shotgunshane

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Just got the UM3x (with removable cable) purchased from the Gear Lab and sent direct from Westone after selling my UM2's and Triple Fi' 10's. Here are some detailed un-boxing pics (including pics of the UM3x in my ears), and then some initial first impressions after 4 hours of use and comparisons to the UM2 and UE Triple.Fi 10.
...” --willyc32

“Before I start my review I would like to Thank Westone for providing me with a review sample.
This is a Review of Westone UM Pro 50 premium 5 BA driver hi-fi in-ear monitors (IEMs). http://www.westoneaudio.com/index.php/products/um-series/um-pro-50.html
Gotta be honest with you that I didn’t even realize the level of popularity and respect earned by UM Pro line of Westone IEMs...” --twister6

“Intro:
I must say the UM2 sounds better than the UM3x which I sold shortly after few months. In short; it sounds more articulate,airy and more expansive. The UM3x sounded too bloated,closed in and collapsed to me; the soundstage was too narrow and the UM2 doesn't share the same trait which is great. The mids were too forward and the bass was too much, the highs are too soft and delicate on the...” --kite7

“It was midnight and I was surfing ebay for fun like I normally do and saw these headphones on sale from a reputable USA seller. The deal was ending in 20minutes and there was only 1 pair left... 40 seconds of thought, debate, and action take place and next think I know ive spend $60 on headphones I dont need. I already have a pair of Shure SE315s that I love so I spent the next week waiting for...” --Mitchell4500

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Before I start my write-up, I would like to Thank Westone for providing me with a review sample of their flagship ES60 CIEM in exchange for my honest opinion.
Product page: http://www.westoneaudio.com/index.php/products/custom-series/es60-in-ear-monitor.html
As I bonus, I will also cover in my review Westone new Ultra-thin balanced cable (THIS), and TRU hearing protection...” --twister6

“Before I start with my review, I would like to Thank Westone for providing me with a review sample of UM Pro 30 in exchange for my honest opinion.
This is a Review of Westone UM Pro 30 triple BA driver IEM. http://www.westoneaudio.com/index.php/products/um-series/um-pro-30.html
After my Westone W40 review I received a number of questions from people inquiring about...” --twister6

“I feel compelled to write this review because I honestly think this monitor doesn't get enough lime light.
I won't go to great lengths about the company as there're lots of information about it that you can find on their website (https://thecustomart.com/)
I'll keep my review to a magic number 3.
3 things that got me started on my CIEM journey with CustomArt
1)...” --divadyhl